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Chapter 9 Water Erosion and Deposition Websheet



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What kind of river has a wide, flat floodplain and many bends where it deposits rock and soil?
a.
a youthful river
c.
an old river
b.
a mature river
d.
a rejuvenated river
 

 2. 

What are the rock and soil deposited by streams called?
a.
sediment
c.
sinkholes
b.
aquifer
d.
stalagmites
 

 3. 

When a stream deposits sediment, what can happen to the land?
a.
It decreases in size.
c.
It increases in size.
b.
It stays the same.
d.
It evaporates.
 

 4. 

What method of flood control involves building up the banks of a river to keep the river within its channel?
a.
alluvial fan
c.
levee
b.
dam
d.
placer deposit
 

 5. 

The water table is found at the boundary between
a.
the base of the river and the start of a delta.
b.
the zones of aeration and saturation.
c.
the artesian formation and spring.
d.
the zones of percolation and evaporation.
 

 6. 

What does an aquifer allow?
a.
increased porosity in hard materials
b.
Rivers stay within their banks.
c.
decrease of friction in impermeable rocks
d.
the flow and storage of ground water
 

 7. 

How is a well different from a spring?
a.
A well forms above ground.
c.
A well is naturally occurring.
b.
A well is made by humans.
d.
A well is difficult to find.
 

 8. 

When does a sinkhole form?
a.
when there is too much runoff from a river
b.
when a floodplain is too small
c.
when the water table is lower than a cave
d.
when there is a lot of rain and snow in one year
 

 9. 

A watershed is land that is drained by
a.
a septic tank.
c.
a water system.
b.
runoff.
d.
an alluvial plain.
 

 10. 

While a youthful river is steep and fast flowing, a mature river
a.
has fewer tributaries.
c.
has poor drainage.
b.
has few waterfalls.
d.
has terraces.
 

 11. 

An alluvial fan is formed on dry land
a.
on a floodplain.
c.
where a river meets an ocean.
b.
with a low load.
d.
at the base of a mountain stream.
 

 12. 

Large materials, such as pebbles and boulders, carried along by a stream are called a
a.
bed load.
c.
mature load.
b.
suspended load.
d.
dissolved load.
 

 13. 

Muddy rivers that carry small rocks and soil are carrying a
a.
dissolved load.
c.
suspended load.
b.
bed load.
d.
rejuvenated load.
 

 14. 

What is the upper boundary of  the zone of saturation called?
a.
alluvial plain
c.
nitrates
b.
evaporation
d.
water table
 

 15. 

A(n) ________ is the type of deposit that forms where the Mississippi River empties into the gulf of Mexico.
a.
alluvial fan
b.
delta
c.
cirque
d.
slump
 

 16. 

When people remove vegetation, they ________ the erosion process.
a.
slow down
b.
speed up
c.
decrease
d.
do not affect
 

 17. 

_________ determines the amount of runoff.
a.
Vegetation
b.
The amount of rain
c.
The slope of the land
d.
all of the above
 

 18. 

A(n) __________ is a layer of permeable rock containing water.
a.
cave
b.
water table
c.
aquifer
d.
dam
 

 19. 

All of the following are characteristics of rocky shorelines EXCEPT _________.
a.
beaches
b.
cliffs
c.
hollows
d.
caves
 

 20. 

Forces that act on shore zones cause them to _________.
a.
constantly change
b.
stabilize
c.
stay the same
d.
none of the above
 

 21. 

The most common features along rocky shorelines are _________.
a.
beaches
b.
sand dunes
c.
rocks and cliffs
d.
rock and sand deposits
 

Completion
Complete each statement.
 

 22. 

An alluvial fan is a triangular-shaped deposit that forms when (wind, water) loses its energy of motion.
 

 

 23. 

A (gully, delta) is formed when water empties into a lake, gulf, or ocean.
 

 

Matching
 
 
a.
type of erosion that begins when a small stream forms during a heavy rain
g.
upper surface of the zone of saturation
b.
erosion that can evolve from rill erosion
h.
hot springs that erupt
c.
heated groundwater that reaches the surface
i.
a curve in a stream's channel
d.
water erosion outside of a stream channel
j.
cool water forced to the surface by pressure
e.
layer of rock that water flows through
k.
rocks through which water cannot pass
f.
water that flows over the Earth's surface
l.
water that soaks into the ground
 

 24. 

gully erosion
 

 25. 

rill erosion
 

 26. 

impermeable
 

 27. 

runoff
 

 28. 

meander
 

 29. 

water table
 

 30. 

geyser
 

 31. 

hot spring
 

 32. 

sheet erosion
 

 33. 

artesian well
 

 34. 

aquifer
 

 35. 

groundwater
 



 
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